MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm hosted on multiple compromised websites, likely intended to direct users to download a password-protected archive. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document provides instructions for accessing such an archive, a common tactic to bypass gateway scanning. No scripts were extracted, but the overall structure suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9739
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/56d90b49882e81fb4b77a37f4a9d356d/zewunamodojamesazupul.pdf
- http://jrmhandling.nl/upload/file/kunuja.pdf
- https://anfauglir.com/images/file/fozagobufo.pdf
- http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/nofuzesadakepopowe.pdf
- http://big-blue-bus.com/pics/fotos/1/file/71118685796.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce11e1d668---zowuxuwufolaka.pdf
- https://dagvandearchitectuur.be/_files/file/75389417839.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e2b657add---62781601811.pdf
- http://forter.vn/hinhanh/file/rufarusisosazibezav.pdf
- https://amitadevnani.com/userfiles/file/xurebipaw.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/2f328325ca7748dd7b47d2638d3567ec/82182371445.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbf431a6e27---12531591779.pdf
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/a38eefe1c4c41f7cc894704f075346ec/zotowusafazilop.pdf
- http://e-cluny.cz/UserFiles/file/96602436049.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/r1k2o3cjc16pjm4vaq1mbti7a2/38477173891.pdf
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/kuvexeviwob.pdf
- http://mav-auto.ru/images/file/43747584669.pdf
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/68f415d39490d9baa20705e365ae1eca/zupugoti.pdf
- https://bcbc3399.com/upload/files/90471069311.pdf
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/9c5e6969f7f67bcaa5f8094478e62b44/71169199692.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/cuvljir1jh4a4seibp29b8utop/varofajakuxerumepaliw.pdf
- http://d4scanada.com/clients/8/81/81a8d3ecf29e0a7d9042e8364394d873/File/dekofesuwukukukobokomigi.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608002287f3db---40889330799.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=attack+of+the+bteam+wiki
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f366.bindfd707b7ad57e7b6f5606b36ed481f67dff712093ba412787688437af42c1154 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF366 | 20932 bytes |
font_01_sfnt_off000127b7.bin41db87e5dc5cf7b448510b22869af345875ebc26cefe608d935e14fa2d0d6198 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127B7 | 16448 bytes |
font_02_sfnt_off00013e92.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E92 | 16792 bytes |
font_03_sfnt_off000156a9.bin10d33c1d1ec9d0c60c101e79ec42be682885e1ff3a1497f36c973a8f8c93e7b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156A9 | 10480 bytes |
font_04_sfnt_off00016e96.bin0362cebb0932371b0a568cc9bc4673fbbc256fa56f727bb438cb0d9d9e350300 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16E96 | 2792 bytes |
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